Q:How to pairing with my device? A: Set up: held down the MFB button for3 seconds until the red and blue lights flashing alternately. Pairing: Active bluetooth ion your phone , choose for’T7’and pairng sucessfully. Q: Is it a normaly that the right earbud working ,the left earbud didn’t at work when I am calling? A: Yes, it is one earbud working when you are calling . For the sake of your safety when you are driving, all TWS earphones allow only one earbud has calling function. For the original version, it is the right earbud. Q: Is the headset connected automatically? Aï¼ Every time you use the b luetooth headset, you need to turn on the wireless earbud. The left and right headphones will connect automatically . And they are pairing with your phone automatically. Q: Can you voice answer telephone calls? A:Sorry that you can no voice answer telephone calls. Q:Can you use the tap technology to start / stop music and answer /hang up calls? A: Yes, you can held down the button to start / stop music and answer /hang up calls.